Here is the full list of all 100 Choco Pixel achievements.
Level 50
Symbol 24
Symbol 23
Level 49
Level 19
S
R
Level 18
K
Level 11
Level 10
J
Level 48
Symbol 22
Level 47
Symbol 21
Symbol 20
Level 46
Level 45
Symbol 19
Symbol 18
Level 44
Level 43
Symbol 17
Symbol 16
Level 42
Symbol 15
Level 41
Symbol 14
Level 40
Level 39
Symbol 13
Level 38
Symbol 12
Level 37
Symbol 11
Level 36
Symbol 10
Level 35
Symbol 9
Level 34
Symbol 8
Symbol 7
Level 33
Symbol 6
Level 32
Level 31
Symbol 5
Symbol 4
Level 30
Symbol 3
Level 29
Level 28
Symbol 2
Symbol 1
Level 27
Z
Level 26
Y
Level 25
Level 24
X
Level 23
W
V
Level 22
Level 21
U
T
Level 20
Level 17
Q
Level 16
P
Level 15
O
N
Level 14
Level 13
M
Level 12
L
Level 9
I
H
Level 8
Level 7
G
F
Level 6
Level 5
E
D
Level 4
Level 3
C
Level 2
B
Level 1
A